A firm has a profit margin of 15 percent on sales of$20000000. If the firm has d

A firm has a profit margin of 15 percent on sales of$20000000. If the firm has debt of $7500000 total assets of$22500000 and an after-tax interest cost on total debt of 5percent what is the firms ROA?8.4%10.9%12.0%15.1%13.3%